368 BOTANY. PRIMULACEiE. Peimula suffeutescens, Gray.—Fisherman's Peak, at 13,000 feet(419), I. c. 468. Dodecatheon Meadia, L., var. alpinum, Watson. Apparently a moreluxuriant form, from a lesser altitude than usual. Head of Peru Creek,6,100 feet (368), I. c. 467. Samolus Valebandi, L , var. Ameeicanus, Gray.—Santa Barbara (52),I. c. 470. Anagallis aevensis, L.—Santa Barbara, I. c. 469. ASCLEPIADEiE. By De. Geoege Engelmann. Asclepias eeosa, Torr. Bot Mex. Bound. 162. (A. leucophylla, Engelm.Am. Naturahst, 9, 349 ; Gray, Bot Cahf 1, 476 ; Syn. 94.)—Fort Tejon. Asclepias Mexicana, Cav. Gray, Proc. Am. Acad. 12,-71; Syn. 96.(A. fascicularis, Decaisne in DC. Prod. 8, 469; Gray, Bot Calif 1, 475.)—Lake Elizabeth, Rothrock (190), 1875. Very closely aUied to A. verticillata;the flowers, though a little larger than in the common forms of that species,are scarcely to be distinguished from it. I find, however, the top of therounded hoods more reflexed, and the horn comes from near the base of thehood, while in verticillata it is attached to the whole lower third or halfBut A. Mexicana is altogether a stouter plant, with spreading, or at lastrecurved, usually condnplicate leaves, bearing the umbels in a terminalcorymb, GENTIANEJE. By De. Geoege Engelmann. Gentiana seeeata, Gunn. Fl. Norveg. 10, var. holopetala, Gray, Fl.Calif 1, 481; Syn 117.—Simple, or with many simple, ascending branchesfrom the base, and long, naked peduncles; lobes of the corolla entire orwith few notches.—Southern Sierras, Kern County, at 10,000 feet altitude.Easily distinguished from G. simplex. Gray, by the oval, rough ovules andseeds, while those of the latter species are lanceolate, smooth, and taUed atboth ends.